A taxonomic review of Thiotricha Meyrick, 1886 (Lepidoptera, Gelechiidae, Thiotrichinae) from China, with descriptions of 84 new species Author Lee, Ga-Eun 0000-0002-5774-5850 College of Life Sciences, Nankai University, Tianjin 300071, China gaeunlee 486 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5774 - 5850 & Research Institute for Basic Sciences, Jeju National University, Jeju 63243, Korea Corresponding author: lihouhun @ nankai. edu. cn; https: // orcid. org / 0000 - 0002 - 8953 - 3422 gaeunlee486@gmail.com Author Li, Houhun 0000-0002-5774-5850 College of Life Sciences, Nankai University, Tianjin 300071, China gaeunlee 486 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5774 - 5850 & College of Life and Geographic Sciences, Kashi University, Kashi 844000, China; Xinjiang Key Laboratory of Biological Resources and Ecology of Pamirs Plateau, Kashi 844000, China gaeunlee486@gmail.com text Zootaxa 2024 2024-05-15 5449 1 1 222 http://dx.doi.org/10.11646/zootaxa.5449.1.1 journal article 10.11646/zootaxa.5449.1.1 1175-5334 11233121 CAC513A2-D2B4-4E6E-BAB6-CCE6E054680F Thiotricha corylella Omelko, 1993 ( Figs 13E , 25R , 38D , 54E ) Thiotricha corylella Omelko, 1993: 209 ; 1999: 179 ; Ueda & Fujiwara, 2005: 75 . TL: Russia . TD: ZIRAS. Polyhymno corylella : Ponomarenko et al ., 2006: 107; Park & Ponomarenko, 2007: 39 ; Ponomarenko, 2008: 91 ; Sakamaki, 2013: 47 , 296. Material examined. CHINA : Hubei Province : 1 ♂ , 2 ♀♀ , Taohuachong ( 30.98°N , 116.02°E ), 635 m , Yingshan County , 24, 25.vi.2014 , leg. Wei Guan and Meiqing Yang , genitalia slide nos. LGE 16147m , LGE18546f, LGE 18547m ; 1 ♀ , Wujiashan ( 31.09°N , 115.8°E ), 880 m , Yingshan County , 29.vi.2014 , leg. Wei Guan and Meiqing Yang , genitalia slide no. LGE16150 ; Jilin Province : 1 ♂ , Toudao Protection Station ( 42.38°N , 128.03°E ), 750 m , Mt. Changbai , 16.vii.2016 , leg. Mujie Qi , Yanyan Jia and Juan Li , genitalia slide no. LGE16272 . Diagnosis. Adult ( Fig. 13E ). Wingspan 12.0− 14.5 mm . This species can be recognized by the white forewing with longitudinal streaks in the distal half. A fuscous broad band is sometimes present from the middle of costa to the basal 1/3 of dorsum across wing, but it is often broadly interrupted by the white ground color, leaving two large patches on the costa and the dorsum, respectively. The male genitalia ( Fig. 38D ) are very similar to those of T. fuscobasis , but T. corylella has a larger anellus lobe bearing a robust apical bristle. The anellus lobe of T. fuscobasis is very reduced and the apex is sparsely setose instead of having a hooked bristle. Distribution. China ( Hubei , Jilin ), Japan , Russia (Primorsk Territory). Remarks . This species has two brown streaks on the thorax according to the original description, but these are absent in the Chinese specimens examined and the thorax is entirely white.